EP2528107A1 - Elément de façade - Google Patents

Elément de façade Download PDF

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Publication number
EP2528107A1
EP2528107A1 EP12163020A EP12163020A EP2528107A1 EP 2528107 A1 EP2528107 A1 EP 2528107A1 EP 12163020 A EP12163020 A EP 12163020A EP 12163020 A EP12163020 A EP 12163020A EP 2528107 A1 EP2528107 A1 EP 2528107A1
Authority
EP
European Patent Office
Prior art keywords
facade element
cover layer
facade
spacer
photovoltaic module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12163020A
Other languages
German (de)
English (en)
Other versions
EP2528107B1 (fr
Inventor
Klaus Gehrmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP12163020.6A priority Critical patent/EP2528107B1/fr
Publication of EP2528107A1 publication Critical patent/EP2528107A1/fr
Application granted granted Critical
Publication of EP2528107B1 publication Critical patent/EP2528107B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E04D3/352—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material at least one insulating layer being located between non-insulating layers, e.g. double skin slabs or sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/61—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/67—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for coupling adjacent modules or their peripheral frames
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S2025/01—Special support components; Methods of use
    • F24S2025/016—Filling or spacing means; Elastic means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the invention relates to a facade element for the construction of building facades with at least one photovoltaic module.
  • the photovoltaic module has at least a front plate and a rear support plate, wherein the front panel closes the facade element forward.
  • Photovoltaic modules are used to convert light into electrical energy using the photovoltaic effect.
  • a typical photovoltaic module consists of a plurality of photovoltaic cells, which are arranged between a support plate and a transparent front panel.
  • Photovoltaic modules are installed on buildings, among other things.
  • the photovoltaic modules can for example be attached to walls and / or roofs and thereby form the facade of the corresponding building surface.
  • the photovoltaic modules are usually mounted on supporting structures that are mounted on the outer shell of the building.
  • the outer shell protects the building from moisture and is usually part of the thermal insulation of the building.
  • the FR 2 846 022 describes a facade element with a transparent front panel and a rear insulation. Between the insulation and the front panel is a communicating with the environment cavity for ventilation of the insulation and for receiving panels of a solar thermal system.
  • WO 2011/086325 describes a roof made of watertight juxtaposed photovoltaic modules.
  • the otherwise usual roof covering for sealing the roof against water can thus be omitted.
  • EP 1873 843 A2 describes a photovoltaic module of a transparent front panel and a carrier plate arranged behind it. Between the carrier plate and the front panel are solar cells, which are also referred to as photovoltaic cells. On the back of the support plate, a heat-conducting layer is arranged on the surface of these fitting oval tubes. Through pipes, a heat transfer fluid is passed to cool the solar cells.
  • the tubes are embedded in an insulating layer arranged on the rear side of the carrier plate.
  • the components mentioned, ie front panel, support plate, the heat-conducting layer and the insulating layer are held together by a frame forming the narrow side and the components encompassing frame. On the frame, the photovoltaic module is elevated as usual.
  • the invention is based on the observation that photovoltaic modules are increasingly integrated as design elements, especially in new buildings in the facade.
  • the invention has for its object to increase the degree of prefabrication of the components, thus shortening the actual construction time.
  • the facade element has at least one photovoltaic module having at least a front plate and a rear support plate, wherein the front panel forms the front side of the facade element.
  • the photovoltaic module can eg be a so-called thin-film module.
  • On the back of the support plate at least one spacer is preferably placed, on the back of a cover, which is also referred to as cover layer, is arranged. Between the back of the support plate and the cover layer is thus an at least substantially closed space. This room is filled with at least one insulating material.
  • the required according to the prior art ventilation of the photovoltaic module is eliminated. As a result, a much stiffer and cheaper facade element can be created, which seals the building, z. B.
  • the façade element thus takes over several tasks: the heat and sound insulation, the sealing of the building against water and wind and the generation of electrical energy.
  • the at least one spacer forms an edge bond, which can preferably receive orthogonal clamping forces acting on the front plate and the cover layer for fixing the facade element.
  • the spacer forms a preferably circumferential frame, which is arranged between the carrier plate and the cover layer and the space between the cover layer and the support plate at least partially bounded laterally.
  • the facade element is particularly resilient, and through the inner spacer, the front panel may be the only, the front view determining element. It is thus possible, for example, a facade element with a front side, which is flat even in the edge region.
  • the spacer is designed as insulating support.
  • cold bridges which can lead to the formation of condensation and thus long-term damage to the building avoided.
  • the edge bond contributes to the thermal insulation between the photovoltaic module and the cover layer and can absorb the clamping forces that occur during assembly of the photovoltaic module.
  • the spacer is made of a plastic, e.g. from a plastic profile.
  • the profile is preferably a hollow profile in order to improve the thermal insulation.
  • the spacer can also be made of another material, e.g. Metal, although this has the disadvantage that most metals are good heat conductors.
  • a spacer made of a composite material is possible, whereby a particularly good combination of static load capacity and lower heat transfer coefficient is possible.
  • the spacer is set back relative to the edge of the carrier plate and / or the cover layer.
  • the protruding edges form an edge joint whose depth is limited by the spacer.
  • This edge joint is preferably at least partially filled with a sealant, such as a potting compound such as a PUR adhesive and then part of the edge bond.
  • a sealant such as a potting compound such as a PUR adhesive and then part of the edge bond.
  • the sealant can also act as an adhesive that permanently connects the photovoltaic module, the spacer and the cover layer together.
  • facade elements can be arranged flush side by side and thereby creates a mostly planar, determined only by the front panel surface, because of the usual state of the art, the photovoltaic module encompassing mounting frame can be omitted. Therefore, for example, continuous blue (Si solar cells) or black (CdTe solar cells) strips can be realized in a façade, which are composed of several facade elements.
  • the insulating material adheres to the rear side of the carrier plate and / or to the cover layer at least in sections, preferably adhesively.
  • an insulating material such as at least one insulating plate, preferably flat abut the support plate and / or the cover layer.
  • the insulating material adheres continuously to the support plate and / or on the cover layer.
  • Connection cables for the photovoltaic module can be formed by at least one recess in the edge connection, e.g. in the spacer, are led out of this at least one narrow side of the facade element.
  • This allows easy installation of the facade element, because the facade element initially attached statically and then electrically connected, because the back of the facade elements is generally no longer accessible after its installation on the facade or on the roof of a building.
  • the recess can optionally be sealed together with the edge joint by a sealant in one operation.
  • the junction box has a terminal for at least one connector, which also simplifies assembly.
  • the junction box may be part of the spacer, or act as such.
  • the facade element has no narrow side (s) comprehensive mounting frame, so it is preferably in this sense frameless.
  • the sealing of the connection between the structure and the facade element is simplified, because otherwise regularly occurring during clamping of the frame leaks are excluded.
  • the thickness of the facade element is at least at two opposite edge regions of the facade element is preferably stepped tapers. This also simplifies the assembly of the facade element, because the edge area is much stiffer and therefore more reliable clamped by the reduced thickness.
  • the thicker area between the stepped tapered areas may be in mating between static elements of the structure, e.g. intervene between rafters or in recesses of a post-and-beam facade, thus improving the thermal insulation.
  • the facade elements described above can basically be arranged at almost any point of a structure:
  • the facade elements may be attached to a wall of a building.
  • Particularly suitable for this purpose are post-and-beam facades.
  • the facade elements may be used as roof panels on a roof, e.g. be mounted on rafters.
  • the facade element is connected by surface clamping of at least two opposite edge regions with the building.
  • This is statically stable, corresponding clamping profiles are easy to implement and allow with the clamp a waterproof attachment of the facade element.
  • the necessary according to the prior art substructures for ventilation of the photovoltaic modules can be omitted.
  • FIG. 1 shows a facade element 1, in cross section.
  • the facade element 1 has front side a photovoltaic module 30 with a support plate 33 located here below, which can also be referred to as a back plate 33, and a front panel arranged in front 31. Between the front and the back plate are only indicated here as a line solar cells.
  • a spacer 12 is placed on the edge region of the back plate 33.
  • a cover layer 40 is placed on the back of the spacer 12 in turn is a cover.
  • the edge regions of the photovoltaic module 30 and the edge regions 42 of the cover layer 40 overlap the spacer 12 laterally, whereby an edge joint is formed, which is sealed with a preferably permanently elastic mass
  • the space between the cover layer 40 and the photovoltaic module 30 is filled with an insulating material 50.
  • the insulating material 50 is used for heat and / or sound insulation of the building.
  • the room can be foamed with an insulating material such as polyurethane.
  • Adhesive foams are preferably used, which adhere to the spacer 12 and / or the photovoltaic module 30 and / or the cover layer 40, whereby the facade element stiffened and the sound and heat insulation is improved.
  • foams can be introduced, for example, with a lance through a recess of the spacer 12 in the room. Subsequently, the recess is preferably sealed. This can be done in one operation with the sealing of the edge joint.
  • the conventional connection box 34 is in the rear side of the photovoltaic module 30 facing the cover layer 40. To connect the photovoltaic module, corresponding connection cables 55 are led out laterally through recesses in the edge connection.
  • the facade element 1 is stepped in the thickness at least to the two edge regions shown tapers. It therefore has a central portion with a thickness d 2 and at least on both sides of the central portion has a thickness d 1 , with d 1 ⁇ d 2 .
  • the cover layer 40 is designed as a trough-shaped at least in cross-section, the edge region 42 of the trough being angled at least approximately parallel to the at least substantially planar rear side of the photovoltaic module 30.
  • the facade element may also have a tapered portion encircling the central portion.
  • the middle section can engage in a recess between construction elements of the structure, for example in a space between two rafters.
  • FIG. 2 shows the facade element 1 in a mounting situation on two rafters 60.
  • a clamping device 70 is arranged on the rafters 60. This clamps the edge region of the facade element. Between the angled edge regions 42, the cover layer 40 and the photovoltaic module, the spacer 12 is arranged so that it intercepts the introduced by the indicated clamping device 70 clamping force.
  • the clamping device 70 has a cross section approximately T-shaped lower profile 71, wherein the transverse leg of the "T" rests on the rafter 60 and connected to him, for example, is screwed.
  • a cap 73 made of a permanently elastic material which serves as a spacer for the facade element 1 to the lower profile 71 and as a support cushion for this.
  • a cushion Pad rubber elastic pads 72 serve on the top of the transverse leg.
  • On these rubber-elastic supports 72 are the angled edge regions of the cover layer 40.
  • a longitudinal profile 76 is disposed on the top of the front panel 31, which abuts a sealing profile 75 on the upper side 2 of the front panel 31.
  • the lower profile 71 and the anvil 76 can be clamped together, whereby the facade element 1 in its edge region eigeklemmt and thus fixed.
  • a downwardly open box profile 77 is placed on the anvil 78 and seals the jig 70 upwards.
  • a plurality of facade elements 1 can be arranged as a roof covering in bursts in series.
  • the resulting joint may be replaced by an adhesive sealant, such as e.g. Silicone or a rubber-elastic strip to be closed.
  • facade elements can also be attached to mullion and transom constructions, which take the place of the rafters shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Photovoltaic Devices (AREA)
EP12163020.6A 2011-05-24 2012-04-03 Elément de façade Active EP2528107B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12163020.6A EP2528107B1 (fr) 2011-05-24 2012-04-03 Elément de façade

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11167323 2011-05-24
EP12163020.6A EP2528107B1 (fr) 2011-05-24 2012-04-03 Elément de façade

Publications (2)

Publication Number Publication Date
EP2528107A1 true EP2528107A1 (fr) 2012-11-28
EP2528107B1 EP2528107B1 (fr) 2015-08-12

Family

ID=45894375

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12163020.6A Active EP2528107B1 (fr) 2011-05-24 2012-04-03 Elément de façade

Country Status (1)

Country Link
EP (1) EP2528107B1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015108011A1 (de) 2015-05-20 2016-11-24 SCHÜCO International KG Konstruktion
EP3208402A1 (fr) * 2016-02-17 2017-08-23 Seele product holding GmbH & Co. KG Élément de façade ou de toit sous forme d'un panneau isolant conçu en forme de sandwich
DE102016203813A1 (de) * 2016-03-09 2017-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Photovoltaikmodul und damit ausgestatteter Behälter
US10505492B2 (en) 2016-02-12 2019-12-10 Solarcity Corporation Building integrated photovoltaic roofing assemblies and associated systems and methods
US20220403653A1 (en) * 2021-06-18 2022-12-22 Nexii Building Solutions Inc. Prefabricated building panels and methods for constructing buildings

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2846022A1 (fr) 2002-10-16 2004-04-23 Cooperative Metropolitaine D E Panneau de facade a isolant integre
EP1873843A2 (fr) 2006-06-26 2008-01-02 Fototherm S.r.l. Installation photovoltaïque
DE202008014320U1 (de) * 2008-10-28 2009-01-15 Bathon, Leander, Prof. Dr. Bauteil
WO2011086325A2 (fr) 2010-01-12 2011-07-21 Jma Sol Dispositif de fixation de panneaux solaires, et procede de montage de panneaux solaires

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010012559U1 (de) * 2010-09-11 2010-12-16 Solon Se Solares Umkehrdach

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2846022A1 (fr) 2002-10-16 2004-04-23 Cooperative Metropolitaine D E Panneau de facade a isolant integre
EP1873843A2 (fr) 2006-06-26 2008-01-02 Fototherm S.r.l. Installation photovoltaïque
DE202008014320U1 (de) * 2008-10-28 2009-01-15 Bathon, Leander, Prof. Dr. Bauteil
WO2011086325A2 (fr) 2010-01-12 2011-07-21 Jma Sol Dispositif de fixation de panneaux solaires, et procede de montage de panneaux solaires

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015108011A1 (de) 2015-05-20 2016-11-24 SCHÜCO International KG Konstruktion
US10505492B2 (en) 2016-02-12 2019-12-10 Solarcity Corporation Building integrated photovoltaic roofing assemblies and associated systems and methods
EP3208402A1 (fr) * 2016-02-17 2017-08-23 Seele product holding GmbH & Co. KG Élément de façade ou de toit sous forme d'un panneau isolant conçu en forme de sandwich
DE102016203813A1 (de) * 2016-03-09 2017-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Photovoltaikmodul und damit ausgestatteter Behälter
US20220403653A1 (en) * 2021-06-18 2022-12-22 Nexii Building Solutions Inc. Prefabricated building panels and methods for constructing buildings

Also Published As

Publication number Publication date
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